class Goole  {
  constructor () {}
  get  () {
      return 'goole'
  }
}
class Proxy  {
    constructor () {
        this.goole = new  Goole()
    }
    get () {
        return this.goole.get()
    }
}
let proxy  = new  Proxy()
let ret = proxy.get()
console.log(ret)